You will need to add the DateTimePicker to your form. Open Form Designer, select Win32 tab then drop DateTimePicker to your form.
We will recommend you to take a look at the Formativ Example applets. The example applets below represent a cross section of the type of solutions that can be written using Formativ applets. Formativ Creator and Studio users are free to use these applets and modify them as required. You can download the Formativ Example Applets Pack installer from the Formativ Download page: